气相色谱法测定鸡肉组织中的氯羟吡啶
Gas chromatographic determination of clopidol in chicken tissues.
作者信息
Ekström L G, Kuivinen J
出版信息
J Assoc Off Anal Chem. 1984 Sep-Oct;67(5):955-7.
A method has been developed for the determination of clopidol residues in chicken tissues. After extraction and cleanup, clopidol is esterified in a 2-phase system to clopidol propionate, which is determined by gas chromatography. The 2-phase system includes, in addition to the clopidol dissolved in methanol, aqueous borax solution, hexane, propionic anhydride, and pyridine. Use of these reagents precludes the use of explosive or carcinogenic chemicals in the derivatization step, and the method is therefore suitable for routine laboratory analysis. Levels of 0.5 ppb clopidol in tissue can be determined.
已开发出一种测定鸡肉组织中氯羟吡啶残留量的方法。经过提取和净化后，氯羟吡啶在两相体系中被酯化为丙酸氯羟吡啶，然后通过气相色谱法进行测定。该两相体系除了包含溶解在甲醇中的氯羟吡啶外，还包括硼砂水溶液、己烷、丙酸酐和吡啶。使用这些试剂避免了在衍生化步骤中使用易爆或致癌化学品，因此该方法适用于常规实验室分析。可以测定组织中氯羟吡啶含量为0.5 ppb的水平。
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